Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Choose the correct answer: Which one of the following compounds is aromatic?
H.
B.
N.
III
IV
II
O IV
none of these
Expert Solution

Condition for aromaticity
A compound is said to be aromatic if it follows the following conditions :
1) Cyclic
2) Planar
3) Conjugated
4) Follows Huckel's rule , that is (4n +2) electrons rule , where n =0 , 1, 2 etc.
If a compound is cyclic , planar, conjugated and if follows (4n) electrons rule , then it is an antiaromatic compound .
** Here considering the given compounds , all are 7 membered rings , which are planar in nature .
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